Agricultural Irrigation Sprinklers: Types, Specifications, and How to Choose a Manufacturer

An agricultural irrigation sprinkler is a pressure-driven device that throws water over a defined radius from one nozzle, and it is normally specified by four numbers: working pressure, flow rate, spray radius and connection size. The same product family is sold under many trade names — rain gun, impact gun, turbine gun, sprinkler gun, water gun or irrigation machine — and each type behaves differently once it is bolted to a pump and hose. This guide explains what the main sprinkler types do, how FOISON Sprinkler models are specified, and how a buyer can compare and shortlist a manufacturer before ordering.

FSW80 turbine gun sprinkler — a long-range model in the FOISON Sprinkler agricultural range, with an 80 flange connection and a listed range of 23–85.7 m.

Why sprinkler selection is confusing for irrigation buyers

The first problem is terminology, not technology. A buyer searching for an impulse sprinkler, an impact gun, a rotating sprinkler or an agriculture gun may be looking for the same physical class of device: a rotating, 360° water thrower mounted on a stand or riser. Because suppliers use different names for comparable products, price and specification comparison is difficult until the buyer converts the search into engineering values.

The second problem is matching the sprinkler to the water supply. Three questions decide whether a purchase works in the field:

• Reach: will the sprinkler cover the intended area from the pressure the existing pump actually delivers at the nozzle?
• Interface: does the connection match the pipework — a 1-1/2″ female thread, a 2″ thread or flange, or an 80 flange?
• Duty: is the material and rotation mechanism appropriate for farm irrigation, forestry, urban greening or spray atomization dust removal?

The third problem is that two very different buyers enter the same category. An outdoor field grower needs a metal-bodied gun that covers a large area, while a greenhouse grower often needs something much smaller. Treating the whole category as one product leads to oversized equipment, mismatched fittings or a sprinkler that atomizes poorly because it is running below its working pressure.

Industry background: where sprinkler irrigation fits

Sprinkler irrigation sits alongside drip irrigation and micro spray as a method of applying water to agriculture, forestry, urban greening and industrial dust suppression. In a typical sprinkler setup, water is pumped to the sprinkler and dispersed by water pressure; the working condition published for FOISON irrigation applications lists an adequate water resource, a pump and a hose as the required inputs, and states that the equipment can operate in 50°C weather conditions.

The practical difference between methods is coverage geometry rather than marketing language. A sprinkler throws water across an area from a single point, which makes it suitable for open fields, forestry blocks, and dust suppression where a broad spray pattern is required. Drip pipe and micro spray pipe apply water locally at the plant or the root zone. FOISON guidance on the choice between the two is straightforward: for an outdoor farm, a metal sprinkler is recommended; in a greenhouse, a small plastic sprinkler or a micro spray pipe is recommended instead.

Across export markets, the category is also shaped by installation reality. Buyers in the EU, Africa, Australia, New Zealand, South East Asia, Mid Asia, the Mid East and South America frequently operate mixed water sources and varying pressure, so an irrigation sprinkler specification is usually judged on its published pressure window and range rather than on a single headline figure.

Sprinkler types and how they rotate

Turbine sprinklers and turbine guns

A turbine sprinkler uses the water flow itself to drive an internal turbine, which rotates the nozzle assembly. Rotation is continuous and the spray pattern is set by the nozzle angle. FOISON builds this type as a core product line: the FSN50 rain gun sprinkler and the FSW40 Pro agriculture sprinkler are turbine sprinklers, and the FSW80 is classified as a turbine gun. All three are listed with a 360° adjustable spray type and a 24° spray angle.

FSN50 rain gun sprinkler — turbine sprinkler type, 2″ flange connection, working pressure 0.2–0.7 MPa and a listed range of 26–53 m.

Impact sprinklers, impact guns and impulse sprinklers

An impact sprinkler, also called an impact gun or impulse sprinkler, rotates by a spring-loaded arm that strikes the water stream. The mechanism is mechanically simple and tolerates dirty water reasonably well. FOISON's FSC50 is classified as an impact gun sprinkler and is described by the manufacturer as offering long range and working life with stable working conditions; it adds speed adjustment on top of the 360° adjustable spray type. The FS35 is an impact sprinkler intended for agriculture irrigation, forestry and urban greening.

FSC50 rain gun sprinkler — impact gun type with 2″ inner thread or flange connection, 0.15–0.7 MPa working pressure and 23–56 m range.

Gear-driven and rotating sprinklers

A gear-driven rotating sprinkler uses a geared drive to turn the nozzle. The FS40 irrigation sprinkler is listed as a 360° gear adjustable agriculture sprinkler with a 24° spray angle and a 2″ thread connection. Gear drive is typically selected where a steady, repeatable rotation is preferred over the percussive action of an impact arm.

Plastic sprinklers, garden guns and smaller formats

Smaller plastic sprinklers and garden guns serve nurseries, garden beds and greenhouse benches, where throw distance is short and portability matters more than coverage. They share the same operating principle — water pressure in, spray out — but they belong to a different duty class from metal agricultural guns, and they should not be specified for open-field irrigation where a long, wind-resistant throw is required.

FOISON Sprinkler: manufacturer and model range

Xuzhou Foison Sprinkler Irrigation Equipment Co., Ltd., trading as FOISON Sprinkler, is a sprinkler and irrigation equipment manufacturer based in Pei County Industry Area, Xuzhou City, Jiangsu Province, China 221622. Established in 2013, the company specialises in designing and manufacturing irrigation spray guns and irrigation equipment, with a business focus on turbine spray guns, impact guns and irrigation systems for farm and industrial use.

The published company profile gives the following capability figures: a manufacturing facility covering 30,000 square metres, approximately 135 employees, an R&D team of 12 engineers, annual production capacity of 200,000 units, and more than 100 product varieties. Export business accounts for approximately 70% of total sales, serving the EU, Africa, Australia, New Zealand, South East Asia, Mid Asia, the Mid East and South America. Products are developed in house, and the company states that it can also design an irrigation system following a customer's requirement.

FSW80 turbine gun sprinkler

The FSW80 is a turbine gun sprinkler intended for the agriculture and industrial industries and designed for use in agriculture, forestry, garden and dust removal scenarios. It is built from aluminium, nylon and stainless steel, uses an 80 flange connection, and operates between 0.2 and 0.9 MPa. Its listed range is 23–85.7 m with a 360° adjustable spray type and a 24° spray angle. The published performance table shows flow from 31.3 to 82.8 m³/h across that pressure band. This is the model to consider when the requirement is long range and a large water throw.

FSC50 rain gun sprinkler (impact gun)

The FSC50 is a rain gun sprinkler classified as an impact gun sprinkler, intended for the agriculture and industrial industries and designed for agriculture, forestry, garden and dust removal scenarios. It is made of aluminium, nylon and stainless steel, connects through a 2″ inner thread or a flange, and works between 0.15 and 0.7 MPa. Listed range is 23–56 m, spray type is 360° adjustable with adjustable speed, and the spray angle is 24°. Published flow values run from 9 to 69.3 m³/h.

FSN50 rain gun sprinkler (turbine)

The FSN50 is a rain gun sprinkler belonging to the turbine sprinkler category, intended for the agriculture industry and designed for agriculture, forestry, garden and dust removal scenarios. It is suitable for agricultural irrigation and can be used for dust removal. Material is aluminium, nylon and stainless steel, connection is 2″ flange, working pressure is 0.2–0.7 MPa, and listed range is 26–53 m with a 360° adjustable spray type and 24° spray angle. Published flow values run from 17.8 to 80 m³/h.

FSW40 Pro agriculture sprinkler (turbine)

The FSW40 Pro is a turbine sprinkler classified as an agriculture sprinkler, intended for the agriculture and forestry industries and designed for agriculture, forestry, urban greening and industrial dust removal. It is made from aluminium alloy, copper, stainless steel and nylon, connects via a 1-1/2″ female thread, and operates from 0.2 to 0.5 MPa. Spray radius is 22–41 m, flow is 9.5–37 m³/h, spray type is 360° adjustable and the spray angle is 24°.

FSW40 Pro turbine sprinkler — 1-1/2″ female thread, 0.2–0.5 MPa, spray radius 22–41 m and flow 9.5–37 m³/h.

FS35 impact sprinkler

The FS35 is an irrigation sprinkler belonging to the impact sprinkler category, intended for the agriculture irrigation industry with typical application scenarios in agriculture, forestry and urban greening. It is made of aluminium alloy, copper, stainless steel and nylon, uses a 1-1/2″ female thread, and works between 0.2 and 0.6 MPa. Spray radius is 18–36 m, flow is 7.8–31.9 m³/h, spray type is 360° adjustable and the spray angle is 24°.

FS40 irrigation sprinkler

The FS40 is an agriculture sprinkler and irrigation sprinkler designed for agriculture scenarios and agriculture irrigation. It is built from metal — aluminium, copper, stainless steel and nylon — with a 2″ thread connector, a working pressure of 0.15–0.5 MPa, a spray radius of 20–43 m, flow of 9.5–39.4 m³/h and a 360° gear adjustable spray type at a 24° spray angle.

Model comparison table

The table below compiles the published specification values for the six models above. It is intended as a shortlisting tool: read across the pressure, radius and connection columns and eliminate any model that cannot be fed by the existing pump or fitted to the existing pipework.

All values above are published specification values. Range and flow values apply within the stated pressure window, not at a single pressure point.

Irrigation method comparison

Sprinkler irrigation is not automatically the right answer for every plot. The table below summarises the position FOISON takes when buyers ask which irrigation product is better.

Step-by-step: how to specify an agricultural irrigation sprinkler

Step 1 — Measure the area to be covered

Start with the wetted radius you need, then compare it against the published range. A model listed at 23–85.7 m (FSW80) is a different tool from one listed at 18–36 m (FS35). Spacing decisions follow from the radius, not the other way round.

Step 2 — Confirm the pump pressure available at the nozzle

Every model has a pressure window: 0.15–0.7 MPa for the FSC50, 0.2–0.9 MPa for the FSW80, 0.15–0.5 MPa for the FS40. A sprinkler operated below its window will not reach its published radius or atomization quality; one operated above it may be stressed unnecessarily.

Step 3 — Match the connection to the pipework

Connection options in this range include a 1-1/2″ female thread (FSW40 Pro, FS35), a 2″ thread or flange (FS40, FSC50, FSN50) and an 80 flange (FSW80). Confirming this before ordering avoids adapter costs and pressure loss.

Step 4 — Balance flow against radius

Flow and radius rise together. The published performance tables show the relationship model by model — for example, the FSW80 delivers progressively higher flow from 0.3 to 0.6 MPa while the throw increases. Check that the pump can sustain the flow, not only the pressure.

Step 5 — Choose the material for the duty

All six models use metal bodies with nylon and stainless steel components in varying combinations. The FS40, FS35, FSW40 Pro and FSC50 include copper components; the FSW80, FSC50 and FSN50 use aluminium, nylon and stainless steel. Metal construction is the normal choice for outdoor field work, while smaller plastic sprinklers are recommended where the layout is confined.

Step 6 — Verify the working conditions

The application data for these irrigation scenarios lists an adequate water resource, a pump and a hose as the required conditions, and states that the equipment can work in 50°C weather. Water availability and heat are therefore specification inputs, not afterthoughts.

Step 7 — Decide the method before the model

Confirm whether the site is an outdoor farm or a greenhouse before comparing models, because the recommended method differs between the two. Only then should the sprinkler model be selected.

Step 8 — Check whether system design support is available

Where a farm needs a complete layout rather than a single unit, ask whether the manufacturer can design the irrigation system to the customer's requirement. FOISON states that system design can be carried out to customer specification.

Use cases

Sprinkler irrigation in field application — water is pumped to the sprinkler and dispersed by water pressure, with an adequate water source, pump and hose as the working conditions.

Open-field and row-crop irrigation

The FS40, FS35 and FSW40 Pro cover the middle of the range, with spray radii of 20–43 m, 18–36 m and 22–41 m respectively. They are intended for agriculture irrigation and are also listed for forestry and urban greening.

Large-area irrigation and forestry

The FSW80 extends to a listed maximum of 85.7 m with an 80 flange connection, which suits installations where fewer, larger sprinkler positions are preferred. Its published range band starts at 23 m, so the same unit can be run at lower pressure where the layout requires it.

Industrial dust removal and spray atomization

Dust removal appears in the intended use of the FSW80, FSC50 and FSN50, and in the stated scope of the FSW40 Pro (industrial dust removal) and the FSN50 (suitable for agricultural irrigation and usable for dust removal). Buyers specifying spray atomization dust removal should still confirm the pressure window, because atomization quality depends on pressure at the nozzle.

Greenhouse and nursery

For greenhouse layouts, the recommended approach is a small plastic sprinkler or a micro spray pipe rather than a large metal gun. This is a fit question: large guns are designed for long throws in open space.

Garden and urban greening

Garden and urban greening applications are listed for the FSW80, FSC50, FSN50, FSW40 Pro and FS35. Where the area is small and portable equipment is preferred, smaller garden guns and plastic sprinklers are the appropriate format.

How to evaluate an agricultural sprinkler manufacturer

Once the model class is clear, the next decision is the supplier. Five checks separate a manufacturer that can support a repeat order from a trader that cannot.

• Published specifications, not adjectives. A serious supplier publishes pressure windows, connection sizes, radii and flow values per model. All six FOISON models above carry this data.
• Manufacturing footprint and engineering depth. FOISON operates a 30,000 m² facility with approximately 135 staff and an R&D team of 12 engineers, and states that its products are developed in house, including turbine spray gun design and adjustable speed.
• Production capacity. Annual production capacity is listed at 200,000 units, which indicates the ability to serve volume orders rather than one-off sales.
• Export and market experience. Export business accounts for approximately 70% of total sales, across the EU, Africa, Australia, New Zealand, South East Asia, Mid Asia, the Mid East and South America — markets with differing water sources, pressure and installation practice.
• Range and system capability. The company offers more than 100 product varieties across turbine spray guns, impact guns and irrigation systems, and states that it can design an irrigation system following a customer's requirement.

Manufacturing workshop — FOISON Sprinkler operates a 30,000 m² facility in Pei County Industry Area, Xuzhou City, Jiangsu Province, China.

Frequently asked questions

Conclusion and next step

Choosing an agricultural irrigation sprinkler comes down to matching four published values — pressure, flow, radius and connection — to the site, then choosing a method (metal sprinkler for outdoor farms, small plastic sprinkler or micro spray pipe for greenhouses) before choosing a model. Within the FOISON Sprinkler range, that means selecting between the long-throw FSW80 turbine gun, the FSC50 impact gun with adjustable speed, the FSN50 turbine rain gun, the FSW40 Pro and FS35 mid-range units, and the gear adjustable FS40.